20306146063512 has 16 divisors (see below), whose sum is σ = 50765365158840. Its totient is φ = 6768715354496.

The previous prime is 20306146063457. The next prime is 20306146063517. The reversal of 20306146063512 is 21536064160302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20306146063517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423044709633 + ... + 423044709680.

Almost surely, 2^{20306146063512} is an apocalyptic number.

It is an amenable number.

20306146063512 is an abundant number, since it is smaller than the sum of its proper divisors (30459219095328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20306146063512 is a wasteful number, since it uses less digits than its factorization.

20306146063512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846089419322 (or 846089419318 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 20306146063512 in words is "twenty trillion, three hundred six billion, one hundred forty-six million, sixty-three thousand, five hundred twelve".